Home / 151,428.44-227,036.56-67,143.08

Finding the Fourth Proportional to 151,428.44, 227,036.56 and 67,143.08

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Solution

The fourth proportional to 151,428.44, 227,036.56 and 67,143.08 is: 100,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,428.44 : 227,036.56 = 67,143.08 : x
  2. Step 2: Convert to fraction form
    151,428.44/227,036.56 = 67,143.08/x
  3. Step 3: Cross multiply
    151,428.44x = 227,036.56 × 67,143.08
  4. Step 4: Simplify right side
    151,428.44x = 15,243,933,911.00
  5. Step 5: Solve for x
    x = 15,243,933,911.00/151,428.44
  6. Step 6: Final answer
    x = 100,667.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.